page_title: List of German inventors and discoverers
section_title: H
hierarchical_section_title: List of German inventors and discoverers / H
context_page_description: This is a list of German inventors and discoverers. The following list comprises people from Germany or German-speaking Europe, and also people of predominantly German heritage, in alphabetical order of the surname.
context_section_description: Fritz Haber: German chemist and Nobel laureate who pioneered synthetic ammonia and chemical warfare.
  Theodor W. Hänsch: Physicist, developed laser-based precision spectroscopy further to determine optical frequency extremely accurately. Nobel laureate in 2005.
  Otto Hahn: German chemist and Nobel laureate who pioneered the fields of radioactivity and radiochemistry. Considered to be "the father of nuclear chemistry" and the "founder of the atomic age". Discovered many isotopes, Protactinium and nuclear fission.
  Samuel Hahnemann: Physician, best known for creating a system of alternative medicine called homeopathy.
  Harald zur Hausen: Virologist, discovered the role of papilloma viruses in the development of cervical cancer. His research made the development of a vaccine against papilloma possible, which will drastically reduce cervical cancer in future. Nobel laureate as of 2008.
  Werner Heisenberg: Theoretical physicist who made fundamental contributions to quantum mechanics. Discovered a particle's position and velocity cannot be known at the same time. Discovered atomic nuclei are made of protons and neutrons.
  Wolfgang Helfrich: Co-inventor of Twisted nematic field effect.
  Rudolf Hell: Inventor of the first fax machine (Hellschreiber).
  Richard Hellmann: Hellmann's (Blue Ribbon) Mayonnaise, 1905.
  Hermann von Helmholtz: Discovered the principle of conservation of energy.
  Peter Henlein: Inventor of the portable watch.
  Friedrich Wilhelm Herschel (William Herschel): Discovered the planet Uranus and infrared radiation among other things.
  Heinrich Hertz: Physicist, Discoverer of electromagnetic/radio waves.
  Otto Herzog: First use of the Carabiner in mountain climbing which substantially enhanced security for mountaineers.
  Victor Francis Hess: Discovered Cosmic rays. Also won the Nobel Prize.
  David Hilbert: Influential mathematician who discovered and developed a broad range of fundamental ideas in math.
  Albert Hofmann: German-Swiss; Discovered the chemical properties of chitin and lysergic acid diethylamide.
  Wilhelm Hofmeister: Discovery of the Alternation of generations
  Felix Hoffmann: Isolated acetylsalicylic acid, a painkiller marketed under the name Aspirin (Bayer), 1897. In some English speaking countries marketed under the name disprin.
  Herman Hollerith: a German American statistician who developed a mechanical tabulator based on punched cards
  Gottlob Honold: Inventor of the spark plug and the modern internal combustion engine, as well as headlights.
  Horten brothers: Designed some of the most advanced aircraft of the 1930s and '40s, including the world's first jet-powered flying wing, the Horten Ho 229.
  Christian Hülsmeyer: German inventor of the Telemobilskop, a radio-based detector of remote objects; a 1904 precursor of radar.
  Alexander von Humboldt: Naturalist and explorer. His quantitative work on botanical geography was foundational to the field of biogeography.
  Wilhelm von Humboldt: Originator of the linguistic relativity hypothesis.
  Erich Huzenlaub: Huzenlaub Process for parboiling
  Johannes Heidenhain: Invented the Metallur process. This lead-sulfide copying process made it possible for the first time to make exact copies of an original grating on a metal surface for industrial use. By 1943, Heidenhain was producing linear scales with accuracy of ± 15 µm and circular scale disks with accuracy of ± 3 angular seconds.
  Karl Andreas Hofmann: German inorganic chemist who is best known for his discovery of a family of clathrates which consist of a 2-D metal cyanide sheet, with every second metal also bound axially to two other ligands. These materials have been named 'Hofmann clathrates' in his honour.
caption: Hermann von Helmholtz
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